<template>
  <!-- Banner & Image 通用组件 -->
  <div class="image-content">

    <p class="desc">添加图片 (最多{{ len }}张，可拖动排序）</p>
    <div>
      <div class="banner_input" v-if="data.type == 'banner'">
        <div class="txt">整体高度：</div>
        <el-input placeholder="请输入高度" v-model="list.height" onkeyup="this.value=this.value.replace(/[^\d.]/g,'');"
          clearable>
          <template slot="append">px</template>
        </el-input>
      </div>
    </div>
    <vuedraggable v-model="list.data" tag="ul" draggable="li" v-if="list.data && list.data.length > 0"
      class="image-list" :class="{ disable: data.tabType == 2 }">

      <li v-for="(item, index) in list.data" :key="index">
        <div class="l-info">
          <p>
            <span class="sort">排序{{ index + 1 }}</span>
          </p>
          <p>
            <span>名称：</span>
            <span class="text">{{ item && item.name }}</span>
          </p>
          <p class="h_input" v-if="data.type == 'images' && data.tabType == 1">
            <span>高度：</span>
            <el-input placeholder="请输入高度" v-model="item.height" onkeyup="this.value=this.value.replace(/[^\d.]/g,'');"
              clearable @blur="handBlur($event, index)">
              <template slot="append">px</template>
            </el-input>
          </p>
          <p>
            <span>链接：</span>
            <el-tooltip effect="dark" :content="item.link" placement="top" v-if="item.link">
              <span class="text" @click="urlPopup(index, item.link)">{{
                item.linkName
              }}</span>
            </el-tooltip>
            <span v-else @click="urlPopup(index)" class="link">请输入跳转链接</span>
          </p>
        </div>
        <div class="r-image">
          <span @click="removeImage(index)" class="el-icon-close"></span>
          <div class="image-box">
            <img :src="item && item.url" />
            <span @click="addImage(index)" class="el-icon-edit-outline"></span>
          </div>
        </div>
      </li>
    </vuedraggable>
    <template v-if="list.data && list.data.length < len">
      <el-button type="primary" icon="el-icon-plus" @click="addImage(null)" class="add-image">
        添加图片
      </el-button>
      <p class="size">（建议尺寸：{{ size }}）</p>
    </template>
    <el-upload ref="upload" :http-request="upload" :show-file-list="false" multiple action style="display: none">
    </el-upload>
    <!-- <el-dialog title="请填写图片跳转链接" :visible.sync="show" @close="close">
      <el-form label-width="100px">
        <el-form-item label="跳转链接">
          <el-input v-model="url"></el-input>
        </el-form-item>
        <el-form-item label="">
          <el-button type="primary" @click="confirm">确定</el-button>
        </el-form-item>
      </el-form>
    </el-dialog> -->
    <el-dialog title="请选择跳转链接" :visible.sync="show" @close="close" :destroy-on-close="true">
      <RoutLink :link="list.link" @selpage="selpage"></RoutLink>
    </el-dialog>
  </div>
</template>

<script>
import vuedraggable from "vuedraggable";
import RoutLink from '../../RoutLink/RoutLink.vue'

export default {
  name: "Images",
  components: {
    vuedraggable,
    RoutLink
  },
  props: {
    data: {
      type: Object,
      default: () => { },
    },
  },
  data() {
    return {
      list: {},
      url: "",
      index: null,
      show: false,
      imageIndex: null,
      link: "",
      height_px: '',
      banner_height: '300',
    };
  },
  computed: {
    size() {
      return this.list.type == "images" ? "750*750" : "750*400";
    },
    len() {
      if (this.list.type == "images") {

        if (this.data.tabType == 1) {
          return 1
        } else {
          return 3
        }
      } else {
        return this.list.type == "images" ? 8 : 10;
      }

    },
  },
  watch: {
    data: {
      handler(newData, oldData) {
        // 检查 tabType 是否发生了变化
        console.log(this.data, "222222")

      },
      // 开启深度监听
      deep: true
    },
  },
  mounted() {
    this.list = this.data;
    console.log(this.data, "55555")

  },
  methods: {
    selpage(e) {
      this.list["data"][this.index]["link"] = (e.ID).toString()
      this.list["data"][this.index]["linkName"] = e.name
      this.list["data"][this.index]["goodsType"] = e.goodsType
      console.log(this.list["data"][this.index]["goodsType"])
      this.show = false;
    },
    close() {
      this.show = false;
      this.url = "";
    },
    confirm() {
      this.list["data"][this.index]["link"] = this.url;
      this.close();
    },
    handBlur(e, index) {
      console.log("banerHeight", e, index)
    },

    urlPopup(index) {
      this.show = true;
      this.index = index;
      this.url = this.list["data"][this.index]["link"];
    },
    removeImage(index) {
      this.list.data.splice(index, 1);
    },
    addImage(index) {
      this.imageIndex = index;
      this.$refs["upload"].$children[0].$refs.input.click();
    },
    upload(params) {
      let that = this;
      const len = this.list.data.length;

      if (len >= this.len) {
        this.$message.error(`最多添加${this.len}张图片!`);
        return;
      }
      const file = params.file,
        fileType = file.type;

      const verifyList = [
        {
          text: "只能上传图片格式png、jpg、gif!",
          result: fileType.indexOf("image") != -1,
        },
        {
          text: "只能上传大小小于5M",
          result: file.size / 1024 / 1024 < 5,
        },
      ];

      for (let item of verifyList) {
        if (!item.result) {
          this.$message.error(item.text);
          return;
        }
      }
      let types = params.file.name.split(".")
      let key = new Date()
      key = that.$template + '/' + key.getTime() + "." + types[types.length - 1]
      const form = new FormData();
      form.append("file", file);
      form.append("clientType", "multipart/form-data");
      form.append("key", key);
      this.getToken().then(
        (res) => {
          form.append("token", res.data.token);
          that
            .$http({
              url: res.data.upload,
              method: "post",
              headers: {
                "Content-Type": "multipart/form-data",
                token: res.data.token,
              },
              data: form,
              dataType: "json",
              cache: false, //上传文件无需缓存
              processData: false, //用于对data参数进行序列化处理 这里必须false
              contentType: false, //必须
            })
            .then((ress) => {
              const index = this.imageIndex;
              const data = {
                name: file.name,
                url: res.data.url + key,
                link: "",
                form,
              };
              if (index !== null) {
                that.$set(that.list.data, index, data);
              } else {
                that.list.data.push(data);
              }
            });
        },
        function () {
          console.log("请求失败处理");
        }
      );
    },
  },
};
</script>

<style lang="scss" scoped>
.h_input span {
  line-height: 40px;

}

.image-content {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  height: 100%;
  overflow: hidden;

  .desc {
    text-align: center;
    font-size: 12px;
    color: #666;
    margin: 18px 0;
    padding-bottom: 10px;
    border-bottom: 1px dashed #ddd;
  }

  .size {
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-bottom: 0;
  }

  .add-image {
    width: calc(100% - 20px);
    height: 34px;
    line-height: 34px;
    padding: 0;
    font-size: 12px;
    margin-left: 10px;
    margin-top: 10px;
  }

  .image-list {
    margin: 0;
    padding: 0 10px;
    overflow: auto;

    &::-webkit-scrollbar-thumb {
      background: #dbdbdb;
      border-radius: 10px;
    }

    &::-webkit-scrollbar-track {
      background: #f6f6f6;
      border-radius: 10px;
    }

    &::-webkit-scrollbar {
      width: 6px;
    }

    li {
      list-style: none;
      background: #f7f8f9;
      border-radius: 4px;
      padding: 6px 14px 10px;
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;

      &.disable div {
        pointer-events: none;
        user-select: none;
      }

      .l-info {
        font-size: 12px;
        padding-top: 8px;
        width: calc(100% - 70px);

        p {
          margin: 12px 0 0;
          white-space: nowrap;
          overflow: hidden;
          display: flex;

          .link {
            color: #1b8bff;
            cursor: pointer;
          }

          .text {
            white-space: nowrap;
            text-align: -webkit-auto;
            text-overflow: ellipsis;
            overflow: hidden;
          }
        }
      }

      .r-image {
        text-align: right;

        .el-icon-close {
          color: #999;
          font-size: 12px;
          font-weight: 600;
          margin-bottom: 6px;
          cursor: pointer;

          &:hover {
            color: red;
          }
        }

        .image-box {
          width: 70px;
          height: 70px;
          border-radius: 5px;
          overflow: hidden;
          position: relative;
          background: #fff;
          display: flex;
          justify-content: center;
          align-items: center;

          &::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            opacity: 0;
            transition: all 0.3s;
          }

          span {
            position: absolute;
            top: 50%;
            left: 50%;
            color: #fff;
            transform: translate(-50%, -50%);
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            transition: all 0.3s;
          }

          img {
            max-width: 100%;
          }

          &:hover {

            &::before,
            span {
              opacity: 1;
            }
          }
        }
      }
    }
  }
}

//轮播图的高度
.banner_input {
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;

  .txt {
    width: 120px;
    font-size: 14px;
  }
}
</style>
